Union County, Pennsylvania

county in Pennsylvania, United States

Union County is a county in the U.S. state of Pennsylvania. As of the 2020 census, the population was 42,681.[1] Its county seat is Lewisburg.[2]


  1. "QuickFacts: Union County, Pennsylvania". United States Census Bureau. Retrieved August 18, 2023.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.